/* ==================== ideas 页面专属样式 ====================
   全局基础样式已移至 base.css
   本文件只包含 ideas 页面的独特设计
   ==================== */

    box-shadow: 0 20px 60px rgba(244, 176, 74, 0.15);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.ideas-hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.2), transparent 70%);
    pointer-events: none;
}

.ideas-hero > * {
    position: relative;
    z-index: 1;
}

.ideas-hero__kicker {
    text-transform: uppercase;
    letter-spacing: 0.3em;
    font-size: var(--text-xs);
    color: var(--text-secondary);
    margin-bottom: var(--space-xs);
}

.ideas-hero__title {
    font-size: clamp(2.3rem, 5vw, 3.4rem);
    font-weight: 800;
    margin-bottom: var(--space-sm);
    color: var(--text-primary);
}

.ideas-hero__description {
    max-width: 620px;
    margin: 0 auto var(--space-lg);
    color: var(--text-secondary);
    font-size: var(--text-lg);
    line-height: 1.7;
}

.ideas-hero__stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-md);
}

.ideas-hero__stat {
    padding: var(--space-md);
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(242, 201, 76, 0.3);
    text-align: left;
    box-shadow: var(--shadow);
}

.ideas-hero__stat-label {
    font-size: var(--text-xs);
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--text-secondary);
}

.ideas-hero__stat-value {
    margin-top: var(--space-xs);
    font-weight: 600;
    color: var(--text-primary);
}

/* ==================== 导航栏 ==================== */
.site-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--nav-bg);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-nav);
    transition: all var(--transition-base);
}

.nav-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-sm) 0;
    gap: var(--space-lg);
}

/* Logo */
.site-logo a {
    font-size: var(--text-2xl);
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-decoration: none;
    transition: all var(--transition-base);
}

.site-logo a:hover {
    transform: scale(1.05);
}

/* 导航菜单 */
.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-menu-secondary {
    gap: var(--space-xs);
}

.nav-item a,
.nav-item button {
    display: block;
    padding: var(--space-xs) var(--space-md);
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius-sm);
    font-size: var(--text-sm);
    font-weight: 500;
    transition: all var(--transition-fast);
    border: none;
    background: none;
    cursor: pointer;
}

.nav-item a:hover,
.nav-item button:hover {
    color: var(--primary-color);
    background-color: var(--bg-secondary);
}

.nav-item.active a {
    color: white;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    box-shadow: 0 2px 8px rgba(47, 128, 237, 0.3);
}

.search-toggle {
    font-size: var(--text-xl);
    padding: var(--space-xs);
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 移动端菜单按钮 */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-xs);
}

.mobile-menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--text-primary);
    transition: all var(--transition-base);
    border-radius: var(--radius-sm);
}

/* ==================== 页面头部 ==================== */
.page-header {
    background: linear-gradient(135deg, #2F80ED 0%, #56CCF2 100%);
    color: white;
    padding: var(--space-xl) 0;
    text-align: center;
    margin-bottom: var(--space-lg);
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.header-content {
    position: relative;
    z-index: 1;
}

.page-title {
    font-size: var(--text-4xl);
    font-weight: 700;
    margin-bottom: var(--space-sm);
}

.page-description {
    font-size: var(--text-lg);
    opacity: 0.9;
}

/* 简化版页面头部 */
.page-header-simple {
    text-align: center;
    margin-bottom: var(--space-xl);
    padding: var(--space-xl) 0;
}

.page-header-simple h1 {
    font-size: var(--text-4xl);
    margin-bottom: var(--space-sm);
    background: linear-gradient(135deg, #F2994A 0%, #F2C94C 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ==================== 筛选栏 ==================== */
.filter-section {
    margin-bottom: var(--space-xl);
}

.filter-bar {
    padding: var(--space-lg);
    background: rgba(248, 250, 252, 0.95);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-color);
    box-shadow: 0 12px 30px rgba(148, 163, 184, 0.15);
}

.category-filter {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

.filter-btn {
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-full);
    border: 1px solid var(--border-color);
    background: white;
    cursor: pointer;
    font-size: var(--text-sm);
    color: var(--text-secondary);
    transition: all var(--transition-base);
}

.filter-btn:hover {
    border-color: rgba(242, 153, 74, 0.6);
    color: var(--primary-color);
    box-shadow: 0 6px 20px rgba(242, 153, 74, 0.2);
}

.filter-btn.active {
    background: linear-gradient(135deg, #F2994A, #F2C94C);
    border-color: transparent;
    color: white;
    box-shadow: 0 12px 28px rgba(242, 153, 74, 0.35);
}

/* ==================== 文章网格 ==================== */
.content-layout {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: var(--space-xl);
    align-items: start;
}

.posts-main {
    min-width: 0; /* 防止网格溢出 */
}

.posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
}

/* ==================== 灵感瀑布流 ==================== */
.ideas-masonry {
    column-count: 2;
    column-gap: var(--space-lg);
}

.idea-card {
    break-inside: avoid;
    margin-bottom: var(--space-lg);
    background: rgba(255, 255, 255, 0.95);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(226, 232, 240, 0.8);
    box-shadow: 0 12px 30px rgba(148, 163, 184, 0.15);
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.idea-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 18px 36px rgba(242, 153, 74, 0.2);
}

.idea-image {
    position: relative;
    overflow: hidden;
    border-bottom: 1px solid rgba(226, 232, 240, 0.6);
}

.idea-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.4s ease;
}

.idea-card:hover .idea-image img {
    transform: scale(1.05);
}

.idea-content {
    padding: var(--space-lg);
}

.idea-title {
    font-size: var(--text-lg);
    margin-bottom: 0.75rem;
}

.idea-title a {
    text-decoration: none;
    color: var(--text-primary);
    transition: color 0.2s ease;
}

.idea-title a:hover {
    color: var(--primary-color);
}

.idea-text {
    color: var(--text-secondary);
    font-size: var(--text-sm);
    line-height: 1.7;
    margin-bottom: var(--space-md);
}

.idea-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

.idea-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
    justify-content: flex-end;
}

.idea-tag {
    padding: var(--space-xs) 0.6rem;
    border-radius: var(--radius-full);
    background: rgba(242, 153, 74, 0.12);
    color: var(--primary-color);
    font-size: var(--text-xs);
}

/* ==================== 文章卡片 ==================== */
.post-card {
    background-color: white;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
}

.post-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.post-image {
    position: relative;
    overflow: hidden;
    height: 200px;
}

.post-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s;
}

.post-card:hover .post-image img {
    transform: scale(1.05);
}

.post-category {
    position: absolute;
    top: var(--space-sm);
    right: var(--space-sm);
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: var(--space-xs) 0.75rem;
    border-radius: var(--radius-lg);
    font-size: var(--text-xs);
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(47, 128, 237, 0.3);
}

.post-content {
    padding: var(--space-md);
    flex: 1;
    display: flex;
    flex-direction: column;
}

.post-title {
    font-size: var(--text-xl);
    margin-bottom: var(--space-sm);
    line-height: 1.4;
}

.post-title a {
    color: var(--text-primary);
    text-decoration: none;
    transition: color 0.2s;
}

.post-title a:hover {
    color: var(--primary-color);
}

.post-excerpt {
    color: var(--text-secondary);
    font-size: var(--text-sm);
    margin-bottom: var(--space-md);
    line-height: 1.6;
    flex: 1;
}

.post-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    align-items: center;
    font-size: var(--text-sm);
    color: var(--text-secondary);
    padding-top: var(--space-sm);
    border-top: 1px solid var(--border-color);
}

.post-tags {
    display: flex;
    gap: var(--space-xs);
    flex-wrap: wrap;
    margin-left: auto;
}

.tag {
    background-color: var(--bg-secondary);
    padding: var(--space-xs) 0.6rem;
    border-radius: var(--radius-sm);
    font-size: var(--text-xs);
    color: var(--text-secondary);
}

/* ==================== 分页 ==================== */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-lg) 0;
}

.pagination-link {
    padding: var(--space-xs) var(--space-md);
    color: var(--primary-color);
    text-decoration: none;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    transition: all 0.2s;
}

.pagination-link:hover:not(.disabled) {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.pagination-link.disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.pagination-info {
    color: var(--text-secondary);
    font-size: var(--text-sm);
}

/* ==================== 侧边栏 ==================== */
.sidebar {
    position: sticky;
    top: 90px; /* 导航栏高度 + 一些间距 */
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.sidebar-widget {
    background: white;
    border-radius: var(--radius-md);
    padding: var(--space-md);
    box-shadow: var(--shadow);
    transition: box-shadow 0.3s ease;
}

.sidebar-widget:hover {
    box-shadow: var(--shadow-hover);
}

.widget-title {
    font-size: var(--text-lg);
    font-weight: 700;
    margin-bottom: var(--space-md);
    color: var(--text-primary);
    padding-bottom: var(--space-sm);
    border-bottom: 2px solid var(--bg-secondary);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-sm);
}

.stat-item {
    padding: var(--space-md);
    border-radius: var(--radius-md);
    background: var(--bg-secondary);
    text-align: center;
}

.stat-value {
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--space-xs);
}

.stat-label {
    font-size: var(--text-xs);
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.tags-with-count {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.tag-count-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-sm) 0.8rem;
    border-radius: var(--radius-md);
    background: var(--bg-secondary);
    text-decoration: none;
    color: var(--text-primary);
    font-size: var(--text-sm);
    transition: transform 0.2s ease, background 0.2s ease;
}

.tag-count-item:hover {
    transform: translateX(4px);
    background: rgba(242, 153, 74, 0.12);
}

.tag-count {
    font-weight: 600;
    color: var(--primary-color);
}

.liked-posts {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.liked-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) 0.75rem;
    border-radius: var(--radius-md);
    text-decoration: none;
    color: var(--text-primary);
    transition: background 0.2s ease;
}

.liked-item:hover {
    background: var(--bg-secondary);
}

.liked-icon {
    font-size: var(--text-base);
}

.liked-title {
    font-size: var(--text-sm);
    line-height: 1.4;
}

.archive-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.archive-item {
    display: flex;
    justify-content: space-between;
    padding: var(--space-sm) 0.6rem;
    border-radius: var(--radius-sm);
    text-decoration: none;
    color: var(--text-primary);
    font-size: var(--text-sm);
}

.archive-item:hover {
    background: rgba(242, 201, 76, 0.15);
}

/* 工具推荐卡片 */
.tool-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.tool-card {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm);
    border-radius: var(--radius-sm);
    text-decoration: none;
    transition: all var(--transition-fast);
    background: var(--bg-secondary);
}

.tool-card:hover {
    background: linear-gradient(135deg, rgba(47, 128, 237, 0.1), rgba(86, 204, 242, 0.1));
    transform: translateX(4px);
}

.tool-icon {
    font-size: var(--text-3xl);
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: white;
    border-radius: var(--radius-sm);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.tool-info h4 {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 0.25rem 0;
}

.tool-info p {
    font-size: var(--text-xs);
    color: var(--text-secondary);
    margin: 0;
}

/* 热门文章列表 */
.popular-posts {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.popular-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm);
    border-radius: var(--radius-sm);
    text-decoration: none;
    transition: all var(--transition-fast);
}

.popular-item:hover {
    background: var(--bg-secondary);
}

.popular-rank {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    font-size: var(--text-sm);
    font-weight: 700;
    color: white;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: var(--radius-sm);
    flex-shrink: 0;
}

.popular-title {
    font-size: var(--text-sm);
    color: var(--text-primary);
    line-height: 1.4;
}

.popular-item:hover .popular-title {
    color: var(--primary-color);
}

/* 快速导航 */
.quick-links {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.quick-link {
    display: block;
    padding: var(--space-sm);
    border-radius: var(--radius-sm);
    text-decoration: none;
    font-size: var(--text-sm);
    color: var(--text-primary);
    background: var(--bg-secondary);
    transition: all var(--transition-fast);
}

.quick-link:hover {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    transform: translateX(4px);
}

/* ==================== 响应式设计 ==================== */
@media (max-width: 1024px) {
    .content-layout {
        grid-template-columns: 1fr;
    }

    .sidebar {
        position: static;
        grid-row: 2;
    }

    .posts-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    }
}

@media (max-width: 768px) {
    .ideas-hero {
        padding: var(--space-lg);
    }

    .ideas-hero__title {
        font-size: var(--text-3xl);
    }
    
    .filter-toolbar {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .filter-actions {
        width: 100%;
        flex-direction: column;
        align-items: stretch;
    }
    
    .search-box {
        width: 100%;
        min-width: 0;
    }
    
    .ideas-masonry {
        column-count: 1;
    }

    /* 移动端导航 */
    .mobile-menu-toggle {
        display: flex;
    }

    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: var(--space-md);
        box-shadow: var(--shadow-nav);
        gap: 0;
    }

    .nav-menu.active {
        display: flex;
    }

    .nav-item {
        width: 100%;
    }

    .nav-item a,
    .nav-item button {
        width: 100%;
        text-align: left;
    }

    .nav-menu-secondary {
        border-top: 1px solid var(--border-color);
        padding-top: var(--space-sm);
        margin-top: var(--space-sm);
    }
}

@media (max-width: 480px) {
    .page-title {
        font-size: var(--text-2xl);
    }
    
    .post-title {
        font-size: var(--text-lg);
    }
}

/* ==================== 隐藏跳转按钮 ==================== */
.c-skip-to-content {
    display: none !important;
}